CamelBak Arete 18 Hydration Backpack for Hiking, 50oz., Grey Palms/Lagoon

Designed for trail-to-town versatility. The Arete™ 18 is perfect for a quick hike. Carry your fuel, extra layers, and 1.5 liters of water in the Crux™ reservoir. Secure your fit with an adjustable sternum strap, stow extra goods in stretchy side pockets, and keep the essentials secure in an interior zip pocket. When not needed as a daypack, the Arete™ 18 converts into a reservoir sleeve, perfect for holding your water supply steady inside a larger pack. Finally, its’ ultra-lightweight design packs down to fit inside luggage for lengthy travel. How’s that for double-duty?